This upgrade replaces the stock plastic interface on TRAXXAS SLASH 4X4 vehicles that use the 68086-21 version, offering a lower centre mounting point in aluminium combined with hardened steel 32 pitch gears for more consistent power transfer.
The aluminium adapter limits flex at the gear mount and the hardened steel 56T spur with 18T motor gear will resist wear far better than plastic parts, yielding predictable engagement during repeated acceleration and demanding use.
Fitting different pinion tooth counts changes the final drive ratio, allowing setup tuning for stronger acceleration or higher top speed; the set is supplied with a 56T spur and supports common 32 pitch pinion sizes as shown.
Best suited when you require a tougher steel-tooth drive and a lower, firmer mounting point to improve drivetrain consistency while testing different pinion options on varied surfaces.
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